Home / 38,228.30-52,753.25-21,233.63

Finding the Fourth Proportional to 38,228.30, 52,753.25 and 21,233.63

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Solution

The fourth proportional to 38,228.30, 52,753.25 and 21,233.63 is: 29,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.30 : 52,753.25 = 21,233.63 : x
  2. Step 2: Convert to fraction form
    38,228.30/52,753.25 = 21,233.63/x
  3. Step 3: Cross multiply
    38,228.30x = 52,753.25 × 21,233.63
  4. Step 4: Simplify right side
    38,228.30x = 1,120,143,017.51
  5. Step 5: Solve for x
    x = 1,120,143,017.51/38,228.30
  6. Step 6: Final answer
    x = 29,301.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.